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diopter

di·op·ter

diopter

 
pronunciation:
daI ap tr
features:
Word Parts
part of speech: noun
definition: a unit of measure of the refractive power of a lens, equal to the power of a lens with a one-meter focal length.
Word Parts
The word diopter contains the following parts:
op, ops, opt, opto, ophthalm, ophthalmo, -opia, -opsy Greek root that means eye, visual condition, vision, sight, inspection
synonyms:
ocul